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1125808 = 24174139
BaseRepresentation
bin100010010110110110000
32010012022121
410102312300
5242011213
640044024
712366145
oct4226660
92105277
101125808
116a9922
12463614
13305578
142143cc
1517388d
hex112db0

1125808 has 20 divisors (see below), whose sum is σ = 2310120. Its totient is φ = 529664.

The previous prime is 1125797. The next prime is 1125811. The reversal of 1125808 is 8085211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798 + ... + 2341.

It is an arithmetic number, because the mean of its divisors is an integer number (115506).

21125808 is an apocalyptic number.

It is an amenable number.

1125808 is an abundant number, since it is smaller than the sum of its proper divisors (1184312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125808 is a wasteful number, since it uses less digits than its factorization.

1125808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164 (or 4158 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1125808 is about 1061.0409982654. The cubic root of 1125808 is about 104.0290845676.

The spelling of 1125808 in words is "one million, one hundred twenty-five thousand, eight hundred eight".

Divisors: 1 2 4 8 16 17 34 68 136 272 4139 8278 16556 33112 66224 70363 140726 281452 562904 1125808